Relations & Functions Part 2
7418 views
|
1
rating
Part of video series
Lesson Description:
Function notation and finding the value of a function from an input.
Questions answered by this video:
- What is function notation?
- Given that f(x) = x^3 - 3, how do you find f(-2)?
- What is h(1.6) if h(x) = 0.3x^2 - 3x - 2.7?
- Given f(x) = x^3 - 3, how do you find f(2t)?
- How do you plug an expression with numbers and letters into a function?
-
Staff Review
This lesson explains function notation and finding values of a function given an input for the function. This concept of using f(x) instead of y is sometimes a confusing concept to students, but this concept is explained very well in this lesson. Several examples are shown and explained.
![[C.4] Enter Function Expression into Y= preview image](https://www.mathvids.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBa1VIIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--2fb61a0551e702d5389bb80ce3c6049261f90062/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9VY21WemFYcGxYM1J2WDJ4cGJXbDBXd2RwQVpacGN3PT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fd851aaa3027f3a83a588ba5d0f1fd585b3d8659/%5Bc.4%5D%20enter%20function%20expression%20into%20y=.jpg)
![[C.5] Making a Table of Ordered Pairs preview image](https://www.mathvids.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBa1lIIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--a21f33d7be29a692959612c01a54737825afb8de/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9VY21WemFYcGxYM1J2WDJ4cGJXbDBXd2RwQVpacGN3PT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fd851aaa3027f3a83a588ba5d0f1fd585b3d8659/%5Bc.5%5D%20making%20a%20table%20of%20ordered%20pairs.jpg)
![[C.6] Useable Graph preview image](https://www.mathvids.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBa2NIIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--227b7897e0ddf92b27c73f224c80500a89bbe11f/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9VY21WemFYcGxYM1J2WDJ4cGJXbDBXd2RwQVpacGN3PT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fd851aaa3027f3a83a588ba5d0f1fd585b3d8659/%5Bc.6%5D%20useable%20graph.jpg)
